'agnosticism' definitions:

Definition of 'agnosticism'

From: WordNet
noun
A religious orientation of doubt; a denial of ultimate knowledge of the existence of God; "agnosticism holds that you can neither prove nor disprove God's existence"
noun
The disbelief in any claims of ultimate knowledge [syn: agnosticism, skepticism, scepticism]

Synonyms of 'agnosticism'

From: Moby Thesaurus